420460872

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{541}}^1$

素因数の和:663

約数の個数: 128

約数和(自身を含む): 1180085760

約数和(自身を除く): 759624888

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 47, 52, 53, 78, 94, 104, 106, 141, 156, 159, 188, 212, 282, 312, 318, 376, 424, 541, 564, 611, 636, 689, 1082, 1128, 1222, 1272, 1378, 1623, 1833, 2067, 2164, 2444, 2491, 2756, 3246, 3666, 4134, 4328, 4888, 4982, 5512, 6492, 7033, 7332, 7473, 8268, 9964, 12984, 14066, 14664, 14946, 16536, 19928, 21099, 25427, 28132, 28673, 29892, 32383, 42198, 50854, 56264, 57346, 59784, 64766, 76281, 84396, 86019, 97149, 101708, 114692, 129532, 152562, 168792, 172038, 194298, 203416, 229384, 259064, 305124, 330551, 344076, 372749, 388596, 610248, 661102, 688152, 745498, 777192, 991653, 1118247, 1322204, 1347631, 1490996, 1983306, 2236494, 2644408, 2695262, 2981992, 3966612, 4042893, 4472988, 5390524, 7933224, 8085786, 8945976, 10781048, 16171572, 17519203, 32343144, 35038406, 52557609, 70076812, 105115218, 140153624, 210230436, 420460872]

約数ペア:

[(1, 420460872), (2, 210230436), (3, 140153624), (4, 105115218), (6, 70076812), (8, 52557609), (12, 35038406), (13, 32343144), (24, 17519203), (26, 16171572), (39, 10781048), (47, 8945976), (52, 8085786), (53, 7933224), (78, 5390524), (94, 4472988), (104, 4042893), (106, 3966612), (141, 2981992), (156, 2695262), (159, 2644408), (188, 2236494), (212, 1983306), (282, 1490996), (312, 1347631), (318, 1322204), (376, 1118247), (424, 991653), (541, 777192), (564, 745498), (611, 688152), (636, 661102), (689, 610248), (1082, 388596), (1128, 372749), (1222, 344076), (1272, 330551), (1378, 305124), (1623, 259064), (1833, 229384), (2067, 203416), (2164, 194298), (2444, 172038), (2491, 168792), (2756, 152562), (3246, 129532), (3666, 114692), (4134, 101708), (4328, 97149), (4888, 86019), (4982, 84396), (5512, 76281), (6492, 64766), (7033, 59784), (7332, 57346), (7473, 56264), (8268, 50854), (9964, 42198), (12984, 32383), (14066, 29892), (14664, 28673), (14946, 28132), (16536, 25427), (19928, 21099)]